CHEN Gang · CHINA Open

152rank
-23.6Butler · 14 bds
-1.69per board
±3.7swing
-0.86vs par /bd
-1.64adjusted /bd
by round

vs par split: bidding -1.00 · play +0.14

Strength of schedule: opponents averaged +0.05/bd (an average draw) → opponent-adjusted -1.64/bd

Card play — on target: opening leads 100.0% · declarer play 83.3% · defence 100.0%

Card play by contract type — on target
vs NTvs a suit
Opening leads100.0% (2)100.0% (1)
Declarer play·83.3% (6)
Defence100.0% (2)100.0% (2)

Opening leads by suit led: ♠ 100.0% (1) · ♥ 100.0% (1) · ♦ 100.0% (1)

vs par by strain: NT -1.00 (4) · a suit -0.80 (10)

vs par by level: part-score +0.75 (4) · game -3.50 (8) · slam +6.50 (2)

By role: declaring -1.68/bd (-2.60 vs par · 10) · defending -1.70/bd (+3.50 vs par · 4)

By vulnerability: vulnerable -1.90/bd (+1.00 vs par · 7) · not vulnerable -1.47/bd (-2.71 vs par · 7)

By round↑ top

RoundPartnerOpponentsRoomBdsButlerAvgvs par
Round of 32Z.ZhuangT.Asbi – L.BojohOpen14-23.6-1.69-0.86

Every board — best Butler first↑ top

vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.

ButlerRoundOpponentsBdContractLeadResvs par
+5.5Round of 32INDONESIA Mixed222♥♣4-2+6
+3.6Round of 32INDONESIA Mixed175♠♥2=+0
+0.5Round of 32INDONESIA Mixed154♠♣4=+0
+0.2Round of 32INDONESIA Mixed273NT♥5=+1
+0.1Round of 32INDONESIA Mixed204♠♣6=+0
-1.2Round of 32INDONESIA Mixed252♠♥Q-1+1
-1.3Round of 32INDONESIA Mixed162♠♦Q+1+0
-2.6Round of 32INDONESIA Mixed266NT♠J=+13
-2.8Round of 32INDONESIA Mixed183NT♦Q-1-5
-2.8Round of 32INDONESIA Mixed245♦x♥9-1-5
-3.1Round of 32INDONESIA Mixed236♠♣5=+0
-3.5Round of 32INDONESIA Mixed283♠♥2-1-4
-5.5Round of 32INDONESIA Mixed214♠♦7-3-6
-10.7Round of 32INDONESIA Mixed193NT♣Q-2-13